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@@ -61,11 +61,42 @@ uint8_t matrix_cols(void) |
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return MATRIX_COLS; |
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} |
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static void pc98_inhibit_repeat(void) |
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{ |
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uint8_t code; |
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while (serial_recv()) ; |
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RETRY: |
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PC98_RDY_PORT |= (1<<PC98_RDY_BIT); |
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_delay_ms(500); |
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serial_send(0x9C); |
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PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); |
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_delay_ms(100); |
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while (!(code = serial_recv())) ; |
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print("PC98: send 9C: "); print_hex8(code); print("\n"); |
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if (code != 0xFA) goto RETRY; |
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PC98_RDY_PORT |= (1<<PC98_RDY_BIT); |
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_delay_ms(100); |
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serial_send(0x70); |
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PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); |
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_delay_ms(100); |
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//code = serial_recv(); |
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while (!(code = serial_recv())) ; |
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print("PC98: send 70: "); print_hex8(code); print("\n"); |
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if (code != 0xFA) goto RETRY; |
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} |
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void matrix_init(void) |
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{ |
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print_enable = true; |
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debug_enable = true; |
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//debug_matrix = true; |
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// debug_enable = true; |
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// debug_matrix = true; |
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PC98_RST_DDR |= (1<<PC98_RST_BIT); |
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PC98_RDY_DDR |= (1<<PC98_RDY_BIT); |
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@@ -74,17 +105,21 @@ void matrix_init(void) |
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PC98_RDY_PORT |= (1<<PC98_RDY_BIT); |
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PC98_RTY_PORT |= (1<<PC98_RTY_BIT); |
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DDRD |= 1<<7; |
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serial_init(); |
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// PC98 reset |
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/* |
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PC98_RST_PORT &= ~(1<<PC98_RST_BIT); |
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_delay_us(15); |
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PC98_RST_PORT |= (1<<PC98_RST_BIT); |
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_delay_us(13); |
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PC98_RDY_PORT |= (1<<PC98_RDY_BIT); |
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PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); |
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*/ |
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_delay_ms(500); |
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pc98_inhibit_repeat(); |
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// PC98 ready |
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PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); |
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@@ -107,7 +142,20 @@ uint8_t matrix_scan(void) |
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PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); |
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if (code == -1) return 0; |
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debug_hex(code); debug(" "); |
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if (code == 0x60) { |
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pc98_inhibit_repeat(); |
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/* |
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PC98_RDY_PORT |= (1<<PC98_RDY_BIT); |
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_delay_ms(100); |
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serial_send(0x96); |
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PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); |
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*/ |
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return 0; |
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} |
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print_hex8(code); print(" "); |
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if (code&0x80) { |
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// break code |